Fujitsu PY RX2520 M4 12x3.5', Intel® Xeon®, DDR4-SDRAM, 3.5", Serial Attached SCSI (SAS), Fast Ethernet, Gigabit Ethernet, 10,100,1000 Mbit/s Fujitsu PY RX2520 M4 12x3.5'. Compatible processor series: Intel® Xeon®. Supported memory types: DDR4-SDRAM. Storage drive sizes supported: 3.5", Supported storage drive interfaces: Serial Attached SCSI (SAS). Ethernet interface type: Fast Ethernet, Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s. Product colour: Black, Silver